The J7 typically features a sleek design with buttons on the face or sides.
If the display is active but shows 0.0 speed while riding, check the alignment of the magnet and sensor. They may have shifted beyond the 4mm detection range.0;1bb;
Before using the manual functions, you must physically install the computer. A bad install leads to erratic readings.
Displays your actual speed while moving. This value is always shown on the top half of the screen.
This article serves as a complete guide for your Echo J7, covering everything from initial setup and button functions to troubleshooting common problems.
| Tire Size | Circumference (mm) | Tire Size | Circumference (mm) | | :--- | :--- | :--- | :--- | | 12" | 935 | 26" x 1.5 | 1986 | | 16" | 1020 | 26" x 1.95 | 2050 | | 20" | 1450 | 26" x 2.125 | 2070 | | 24" | 1760 | 27.5" (650b) | 2100–2200 (avg 2150) | | 26" | 1950 | 28" / 700c | 2135–2170 (avg 2155) |
Secure the mounting bracket to your handlebars or stem using the provided zip ties or rubber bands.
